Dr. Cui answered: Urticaria is caused by allergy, If the allergen is suspected, Such as wheat bran, You should stop feeding immediately for at least 6 months. If you continue feeding, you may continue to suffer from urticaria, which may lead to anaphylactic shock. Urticaria is an acute and severe anaphylactic reaction, which is more serious than eczema. Therefore, special attention must be paid to avoid serious consequences. Antihistamines (cantamine, etc.) and hormones can treat acute anaphylactic reactions such as urticaria.